KTM 640 LC4 specifications — approved in Switzerland
54.4 HP
Max power
55.0 Nm
Max torque
156 km/h
Top speed
232 kg
Curb weight
6KB160
| Power | 54.4 HP (40.0 kW) @ 7 000 rpm |
| Torque | 55.0 Nm @ 5 500 rpm |
| Top speed |
| 156 km/h |
| Weight/power ratio | 4.26 kg/HP |
| Displacement | 625 cm³ |
| Fuel | Petrol |
| Engine layout | 4-temp / 1 / monobloc |
| Transmission | Manuelle 5 vitesses |
| Engine | 584 |
| Curb weight | 232 kg |
| Gross weight | 350 kg |
| Width | 2 270 mm |
| Height | 1 210 mm |
| Wheelbase | 2 370 mm |
| Doors | central, au ch. latéral |
| Tires | (a) AV= 90/90-21 54Q: 1.60x21 AR= 120/80-18 65Q, 130/80-18 65Q, 140/80-18 65Q: 2.50x18 |
| Tires (option) | (b) AV= 120/70-17 54Q: 3.50x17 AR= 150/60-17 65Q, 160/60-17 65Q: 4.25x17, 4.50x17, 5.00x17 |
| Manufacturer | KTM AG, A-5230 MATTIGHOFEN |
| Approval date | 06/11/2003 |
| Type approval no. | 6KB160 |
6KB163
| Power | 34.0 HP (25.0 kW) @ 7 000 rpm |
| Torque | 45.0 Nm @ 4 000 rpm |
| Top speed | 144 km/h |
| Weight/power ratio | 6.82 kg/HP |
| Displacement | 625 cm³ |
| Fuel | Petrol |
| Engine layout | 4-temp / 1 / monobloc |
| Transmission | Manuelle 5 vitesses |
| Engine | 584 |
| Curb weight | 232 kg |
| Gross weight | 350 kg |
| Width | 2 270 mm |
| Height | 1 210 mm |
| Wheelbase | 2 370 mm |
| Doors | central, au ch. latéral |
| Tires | (a) AV= 90/90-21 54Q: 1.60x21 AR= 120/80-18 65Q, 130/80-18 65Q, 140/80-18 65Q: 2.50x18 |
| Tires (option) | (b) AV= 120/70-17 54Q: 3.50x17 AR= 150/60-17 65Q, 160/60-17 65Q: 4.25x17, 4.50x17, 5.00x17 |
| Manufacturer | KTM AG, A-5230 MATTIGHOFEN |
| Approval date | 06/11/2003 |
| Type approval no. | 6KB163 |